56Ba
碱土金属
钡 Ba
Barium
物态与数值
- 物态
- 固态
- 周期／族
- 6／2
- 相对原子质量
- 137.3277 （不是质量数）
- 原始密度
- 3.51 g/cm3
- 归一化密度
- 3.51 g/cm³
- 来源熔点字段
- 1000.0 K（部分来源实际为三相点，教学前需核对条件）
- 来源沸点字段
- 2118.0 K
部分超重元素属性为预测值，不能当作已审实验值。氢原始气体密度单位与归一化单位不同，均保留展示。
英文来源解释
中文翻译待补。
Barium is a chemical element with symbol Ba and atomic number 56. It is the fifth element in Group 2, a soft silvery metallic alkaline earth metal. Because of its high chemical reactivity barium is never found in nature as a free element.
出处、中文名称与原始字段
- 来源位置
- multisubject/elements/raw/PeriodicTableJSON.json#/elements/55
- 原记录摘要
- 05e478cb1192c5bbfad8d9600fd3b4c7902c0966ad5d0408bfcc4d5092424c0d
- boil
- 2118
- melt
- 1000
- name
- Barium
- xpos
- 2
- ypos
- 6
- block
- s
- group
- 2
- image
- {'url': 'https://upload.wikimedia.org/wikipedia/commons/f/f5/Barium_%2856_Ba%29.jpg', 'title': '1.5 Grams Barium with a Grey Oxide Layer under Argon. Original size in cm: 0.7 x 1', 'attribution': 'Hi-Res Images ofChemical Elements, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons, source: https://images-of-elements.com/barium.php'}
- phase
- Solid
- wxpos
- 2
- wypos
- 6
- number
- 56
- period
- 6
- shells
- [2, 8, 18, 18, 8, 2]
- source
- https://en.wikipedia.org/wiki/Barium
- symbol
- Ba
- cpk-hex
- 00c900
- density
- 3.51
- summary
- Barium is a chemical element with symbol Ba and atomic number 56. It is the fifth element in Group 2, a soft silvery metallic alkaline earth metal. Because of its high chemical reactivity barium is never found in nature as a free element.
- category
- alkaline earth metal
- named_by
- 未知
- appearance
- 未知
- molar_heat
- 28.07
- atomic_mass
- 137.3277
- atomic_radii
- {'metallic': [222], 'empirical': [215], 'calculated': [253], 'van_der_waals': [268], 'covalent_single': [196], 'covalent_triple': [149]}
- density_unit
- g/cm3
- spectral_img
- 未知
- bohr_model_3d
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_056_barium/element_056_barium.glb
- density_g_cm3
- 3.51
- discovered_by
- Carl Wilhelm Scheele
- bohr_model_image
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_056_barium/element_056_barium_srp_th.png
- electron_affinity
- 13.954
- ionization_energies
- [502.9, 965.2, 3600]
- electron_configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2
- electronegativity_pauling
- 0.89
- electron_configuration_semantic
- [Xe] 6s2